/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Operations/IntrinsicTriangulationMesh.h
Cyclic permutation of the src vector such that the 'Index' entry in the src is the first entry in the result NB:Indexmust be 0, 1, or 2.
template<typename Vector3Type> Vector3Type Permute ( int32 Index, const Vector3Type & Src ) const